161888991

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1217}}^1$

素因数の和:1399

約数の個数: 32

約数和(自身を含む): 245548800

約数和(自身を除く): 83659809

約数列:

[1, 3, 11, 29, 33, 87, 139, 319, 417, 957, 1217, 1529, 3651, 4031, 4587, 12093, 13387, 35293, 40161, 44341, 105879, 133023, 169163, 388223, 507489, 1164669, 1860793, 4905727, 5582379, 14717181, 53962997, 161888991]

約数ペア:

[(1, 161888991), (3, 53962997), (11, 14717181), (29, 5582379), (33, 4905727), (87, 1860793), (139, 1164669), (319, 507489), (417, 388223), (957, 169163), (1217, 133023), (1529, 105879), (3651, 44341), (4031, 40161), (4587, 35293), (12093, 13387)]